State of health
How much energy the battery can hold today compared with when it was new, in percent.
Explained in
How does a battery age?State of health, calendar and cycle ageing, the effect of fast charging and heat, and the minimum durability that EU law sets for new cars.State of health compares what the battery holds today with what it held when new. At 94%, the 70 kWh battery holds about 66 kWh. The range falls in proportion; the car drives as before.